Regular Expressions 101

http://stackoverflow.com/questions/34474298/regex-match-pattern-with-prefixed-string/34474387#34474325

format (xxx) xxx-xxxx reg- /^\(\d{3}\) \d{3}-\d{4}$/

it accept -, / and . operator date formate 29-Dec-2015

([!-\~]aeiou)

check emailnot match double simbol login..name@domain.com

Verify your tax code (Codice Fiscale in Italian)

This catches a few formats for dates, including the year, and seperates as much as I think at the moment is possible to make it easy to manipulate the needed data points in the expression

works but capturing groups are not so organized testing string: "https://127.0.0.1:8000/path/subpath/otherpath" "https://127.0.0.1/path/subpath/otherpath" "https://127.0.0.1/12345/subpath/otherpath"

Checks for well formed tags. Must include mailto, http or https. Must have quoted href. Other attribues before or after href are accepted. Must be ended with

In Vehicle Identification Number used by motor vehicle manufacturers, the letters I, O and Q are omitted for their similarity to 1 or 0.